ring rotary tools roller device for laser marking machine

all made of metal, it's more robust and stable.
the roller design has a better clamping and rotating effect. .perfect for engraving cylindrical objects of different diameters, such as water cup, pens, rings and other engravable cylinders. delivery of semi-finished products, easy installation,no need to change software, control board or any other accessories, turns your laser engraver machine to a rotating engraving machine. 2. then insert the wire on stepper motor of rotate engraving module. 3. place rotate engraving module under the laser module and start to engrave..syi